All of them should be accounted for the consequences that they have to face. AFAIK, the South Korean government is now hunting them and have released a ban for flights and as well as already cooperated with the Interpol.
It's just going to be a matter of time until Kwon will be arrested and surrender himself and he'll also point out where are his cohorts are hiding.
While for their projects, LUNC is the one that where exchanges are helping with while the new one, is likely being ignored.
Scammers should be held accountable for their own actions. And the Terra project's team is not exempt from being taken by the full force of the law. By arresting the persons involved in Terra Classic, it's likely investor confidence will be restored. It'll be up to the community to come up with new ideas to help attract as much capital into the project as possible.
By itself, the project isn't a scam. But it's a gamble considering that there are still plenty of tokens in circulation. Fortunately, Binance has been contributing to the cause by constantly burning LUNC on chain. The more tokens are burned, the faster the price will be recovered. Who knows if someday LUNC gets past $1 per coin? Just my thoughts